fluencelabs/wasm-bindgen
1
0
Fork 0
mirror of https://github.com/fluencelabs/wasm-bindgen synced 2025-06-17 23:11:23 +00:00
Code Issues Projects Releases Wiki Activity

Add javascript Number consts. (#1965)

Browse Source 
* Add javascript Number consts.

* Add tests
This commit is contained in:
Richard Dodd (dodj)
2020-01-21 16:14:50 +00:00
committed by Alex Crichton
parent 450c477197
commit bb066e68a5
3 changed files with 99 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
crates/js-sys/src/lib.rs
View File

@ -18,6 +18,7 @@
#![doc(html_root_url = "https://docs.rs/js-sys/0.2")]
use std::f64;
use std::fmt;
use std::mem;
@ -1901,6 +1902,43 @@ extern "C" {
pub fn value_of(this: &Number) -> f64;
}
impl Number {
/// The smallest interval between two representable numbers.
///
/// [MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/EPSILON)
pub const EPSILON: f64 = f64::EPSILON;
/// The maximum safe integer in JavaScript (2^53 - 1).
///
/// [MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER)
pub const MAX_SAFE_INTEGER: f64 = 9007199254740991.0;
/// The largest positive representable number.
///
/// [MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_VALUE)
pub const MAX_VALUE: f64 = f64::MAX;
/// The minimum safe integer in JavaScript (-(2^53 - 1)).
///
/// [MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MIN_SAFE_INTEGER)
pub const MIN_SAFE_INTEGER: f64 = -9007199254740991.0;
/// The smallest positive representable number—that is, the positive number closest to zero
/// (without actually being zero).
///
/// [MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MIN_VALUE)
// Cannot use f64::MIN_POSITIVE since that is the smallest **normal** postitive number.
pub const MIN_VALUE: f64 = 5E-324;
/// Special "Not a Number" value.
///
/// [MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/NaN)
pub const NAN: f64 = f64::NAN;
/// Special value representing negative infinity. Returned on overflow.
///
/// [MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/NEGATIVE_INFINITY)
pub const NEGATIVE_INFINITY: f64 = f64::NEG_INFINITY;
/// Special value representing infinity. Returned on overflow.
///
/// [MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/POSITIVE_INFINITY)
pub const POSITIVE_INFINITY: f64 = f64::INFINITY;
}
macro_rules! number_from {
($($x:ident)*) => ($(
impl From<$x> for Number {